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96% positive of 52 · Very Positive · Live from Steam
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Free on Steam. The demo has its own app, so its players are counted separately.
Calcium Chaos is a casual Twin-Stick Roguelite that takes you on a journey by train to confront the necromancer and her skeleton army. Get ready to explore a world filled with crazy weapon combinations and unexpected allies as you embark on an epic quest to save the world!
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What changed on Steam for this game since we started following it: prices and sales, builds, name, release date and review score.
Review score: 96% on 2026-11-01 → 96% today (52 reviews)
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1 item on Steam, newest first.
Every build released on Steam for this game since we started tracking it, with the developer's patch notes. Updated within minutes of each new build.
Update 1.1 introduces Steam Cloud Save, fixes critical bugs, and enhances the quality of life of Calcium Chaos: Derailed. All Changes: Steam Cloud save: Steam Cloud save has been enabled for the main game and the demo! Game Breaking: Fixed issues where Pietra …
Hey everyone! 👋💀 We've been hard at work brewing something special, and we can't wait to share it with you! 🧪👀 To prepare for that, we have a new beta version ready for testing, and we are looking to expand access to more people! 👷 So, if you're ready to …
Greetings, Skele-frens! 💀 Since our last update in June for Steam Next Fest, our dedicated team has been tirelessly working on ever more content, and we're on track for the eagerly anticipated full release 🥳 While we are preparing for the full release, we're…
Our friends over at Spelkollektivet are playing the new demo update for Steam Next Fest!
Our friends over at Spelkollektivet are playing the new demo update for Steam NEXT Fest!
Our friends over at Spelkollektivet are playing the new demo update for Steam Next Fest!
Hey Skele-frens! We're rattling some bones with a fresh update just in time for the Nordic game sale. Packed with new visuals, fixes, and a few tweaks, this one's got plenty to chew on. Let’s break it down... Visual Changes Brand-new sprites for Elite enemies …
watch the developers play Calcium Chaos: Derailed
Woohoo 🎉 We did it! Calcium Chaos: Derailed is out now! Get ready to defeat the evil necromancer, solo or with friends (using Steam Remote play). And end her terror by combining ordinary items to make powerful, chaotic weapons to save the world!
Hey Skelefrens! We are excited to announce that, after nearly four years of constant development, Calcium Chaos: Derailed will be available on November 8th (that's in exactly a month!!!). Get ready to dive into the chaos, with support for singleplayer and up t…
The world is facing a serious problem as it is now full of skeletons. But don't worry, you don't have time to be afraid. You are the hero; your mission is to defeat evil necromancers and save the world. No big deal, right? During your journey in Calcium Chaos,…
Hello all you Skeletons in Training! 💀 Our development team has been steadily growing as we’re making the next areas. We’re welcoming on board another artist and an animator! Thanks so much again for all the playthroughs and wishlists! Ahead of Steam Next Fes…
Hello Calcium Chaos enjoyers! 💀 We’ve been working to the bone and chugging along behind the scenes, and are now ready to release the v0.3 demo with new features and lots of bug fixes! We've already gotten a lot of great feedback which has helped us a lot so …
